;(function($){
	$.fn.extend({
		"alertShow":function(options){
			options = $.extend({
				width:"width",
				height:"height"
				},options);
				
			$("#mask").animate({
            width:"100%",
            height:"100%",
            opacity:"0.5"
            },600,
            function(){
                $("#center,this")
                .css("display","block")
                .animate({
                    width:options.width,
                    height:options.height,
                },600)
            });
 
            return this;
			}
		})
	})(jQuery);
